2K8
1-4-3
(2) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
0100 Backup memory read/write error Defective main
PWB.
Replace the main PWB (See page 1-5-28).
0110 Backup memory data error Defective main
PWB.
Replace the main PWB (See page 1-5-28).
0120 MAC address data error
For data in which the MAC address is
invalid.
Defective main
PWB.
Replace the main PWB (See page 1-5-28).
0150 Engine PWB (EEPROM) error
Data read from EEPROM is judged
abnormal.
Improper installa-
tion EEPROM.
Replace the engine PWB (See page 1-5-
29).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
29).
0170
Billing counting error
Defective main
PWB.
Replace the main PWB (See page 1-5-28).
0420 Paper feeder communication error
Communication error between engine
PWB and optional paper feeder.
Improper installa-
tion paper feeder.
Follow installation instruction carefully again.
Defective harness
between PF main
PWB (YC3, YC5)
and paper feeder
interface connec-
tor, or improper
connector inser-
tion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness. (Refer to the
service manual for the paper feeder).
Defective PF main
PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
Defective harness
between engine
PWB (YC33) and
paper feeder inter-
face connector, or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
29).
0600 Expanded memory (DIMM) installing
error
The expansion memory modules (DIMM)
are not correctly mounted.
Improper installa-
tion expanded
memory (DIMM).
Check the installation of the expanded mem-
ory (DIMM) and remedy if necessary.
0610 Expanded memory (DIMM) error
The expansion memory modules (DIMM)
mounted on the main PWB does not
operate correctly.
Defective
expanded memory
(DIMM).
Replace the expanded memory (DIMM)
(See page 1-2-5).
Defective main
PWB.
Replace the main PWB (See page 1-5-28).